Guns. Lots and lots of guns.........the answer to soooo many questions.

Quote:

Originally Posted by NASA Study

The exact scenario may vary, but in the coming decades humanity is essentially doomed to some variant of “Elites” consuming too much, “resulting in a famine among Commoners that eventually causes the collapse of society.”

That is, unless civilization is ready for one of two “major policy changes”: inequality must be “greatly reduced” or population growth must be “strictly controlled.”

Well guns do reduce inequality, and they work for population control too so I think you nailed both of their solutions with one answer